------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 0 PID: 0 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Code: 1d af d9 88 04 31 ff 89 de e8 ef 3c 83 f8 84 db 75 b6 e8 06 39 83 f8 48 c7 c7 40 45 d7 8a c6 05 8f d9 88 04 01 e8 f7 d0 0c 00 <0f> 0b eb 9a e8 ea 38 83 f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89
RSP: 0000:ffffc90000007c60 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff8b8bc6c0 RSI: ffffffff815e40a8 RDI: fffff52000000f7e
RBP: ffff88806a268c80 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815dde4e R11: 0000000000000000 R12: ffff888022e48d00
R13: 0000000000000000 R14: ffff888022e48d18 R15: 0000000000000017
FS:  0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556685848 CR3: 0000000078454000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_call_function_single+0x93/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:734
Code: ff ff e8 d8 25 76 f8 e9 24 fe ff ff e8 2e 29 fd ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc eb 07 0f 00 2d 97 55 5f 00 fb f4 <c3> 0f 1f 40 00 41 54 be 08 00 00 00 53 65 48 8b 1c 25 40 70 02 00
RSP: 0000:ffffffff8b807e40 EFLAGS: 00000206
RAX: 00000000001daa63 RBX: ffffffff8b8bc6c0 RCX: ffffffff8944184f
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88802ca3aad3
R10: ffffed100594755a R11: 0000000000000000 R12: fffffbfff17178d8
R13: 0000000000000000 R14: ffffffff8d90ef90 R15: 0000000000000000
 default_idle_call+0x87/0xd0 kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:194 [inline]
 do_idle+0x401/0x590 kernel/sched/idle.c:306
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
 start_kernel+0x47a/0x49b init/main.c:1135
 secondary_startup_64_no_verify+0xb0/0xbb
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	e8 d8 25 76 f8       	callq  0xf87625dd
   5:	e9 24 fe ff ff       	jmpq   0xfffffe2e
   a:	e8 2e 29 fd ff       	callq  0xfffd293d
   f:	cc                   	int3
  10:	cc                   	int3
  11:	cc                   	int3
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	cc                   	int3
  1a:	cc                   	int3
  1b:	cc                   	int3
  1c:	cc                   	int3
  1d:	eb 07                	jmp    0x26
  1f:	0f 00 2d 97 55 5f 00 	verw   0x5f5597(%rip)        # 0x5f55bd
  26:	fb                   	sti
  27:	f4                   	hlt
* 28:	c3                   	retq <-- trapping instruction
  29:	0f 1f 40 00          	nopl   0x0(%rax)
  2d:	41 54                	push   %r12
  2f:	be 08 00 00 00       	mov    $0x8,%esi
  34:	53                   	push   %rbx
  35:	65 48 8b 1c 25 40 70 	mov    %gs:0x27040,%rbx
  3c:	02 00